In Southeast Asia, when stops occur at the end of a word they are voiceless because the glottis is closed, not open, so they are said to be unphonated ( have no phonation ) by some phoneticians, who considered " breathed " voicelessness to be a phonation.
22.
In this language, both voiced and voiceless nasal clicks ( but not the aspirated and breathy-voiced nasal clicks ) nasalize the following vowel; they are largely distinguished by voiceless vs . murmured nasalization leading up to the click release, and the voicelessness occurs even after vowels.
23.
Among obstruents ( consonants such as " k, g, ch, j, s, " and " z ), " it is very common for languages to contrast modal voice with voicelessness, but in English, many supposedly-voiced obstruents do not usually have modal voice.
24.
The toll-free line is a kind of national glue : this impalpable yet pervasive presence that joins an older, more neighborly America _ a land of amiable counsel and an actual human voice audible in one's ear _ with a wired, plugged-in, telecommunications America in which voicelessness is as common as namelessness and facelessness.
